CVE-2020-9544 json
An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices.
published 2020-03-05 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-30349
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
An issue was discovered on D-Link DSL-2640B E1 EU_1.01 devices. The administrative interface doesn't perform authentication checks for a firmware-update POST request. Any attacker that can access the administrative interface can install firmware of their choice.
Exploit prediction
1.36% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- ktln2.org https://ktln2.org/2020/03/05/cve-2020-9544/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-306 Missing Authentication for Critical Functionality
References
-
ktln2.org
/2020/03/05/cve-2020-9544/
exploit, third-party-advisory
-
dlink.com
/en/security-bulletin
vendor-advisory
Sources
- CVE List CVE-2020-9544
- NVD CVE-2020-9544
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